Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario descargar pdf (Pagina 193)

Error Reporting

Chapter 7

738

1770KF2 and 1785KA PCL Link Error Counters

For the KF2, the block of counters in this section are followed by a block

of modem (asynchronous link) counters. They are exactly the same as

those in “1771-KE/KF, 1770-KF2 (Data Highway Mode) Error Counters,”

although in this case, they are numbered starting at 35 rather than at 21.

PCL Diagnostic Counters

Byte

No.

23, 24

25, 26

27, 28

29, 30

31, 32

33, 34

Received ACK with bad CRC.

imeout expired with no ACK received.

ransmit retries exhausted.

NAK/illegal protocol operation received.

NAK/bad LSAP received.

NAK/no memory received.

Received ACK/NAK too short.

Received ACK/NAK too long.

Something other than an ACK/NAK received.

Duplicate tokens found.

Duplicate nodes found.

oken pass timeout.

oken pass retries exhausted.

Claim token sequence entered.

oken claimed.

Bad CRC in received frame.

NAK/illegal protocol operation sent.

NAK/bad LSAP sent.

NAK/no memory sent.

Received frame too small.

Received frame too long.

Received a retransmission of a frame.

Received frame aborted (line noise).

Message successfully sent (low byte first).

Message successfully received (low byte first).

Command successfully sent (low byte first).

Reply successfully received (low byte first).

Command successfully received (low byte first).

Reply successfully sent (low byte first).

Reply could not be sent.

Number of active nodes.

*Does not apply for 1770KF2.

1 2 ... 188 189 190 191 192 193 194 195 196 197 198 ... 234 235

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Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario Pagina 193

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